SOLUTION: Solve by substitution. 38.) 10x + 2y = 7 y = -5x +3

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Question 100486: Solve by substitution.
38.) 10x + 2y = 7
y = -5x +3


Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
Substituting for y, 10x + 2(-5x + 3) = 7. That simplifies to 10x - 10x + 6 = 7, or 6 = 7. That is not possible, so there is no solution for the simultaneous equations. One or the other of the equations is false.